Szondi or Szondy is the surname of:
- György Szondy, Hungarian soldier and hero of the 16th Century
- István Szondy, Hungarian pentathlete and equestrian competing in the middle of the 20th Century
- Léopold Szondi, Jewish psychiatrist and psychoanalyst, creator of the psychological tool the Szondi test, and father of Péter Szondi
- Péter Szondi, celebrated literary scholar and philologist of Hungarian extraction
- Sandor Szondi, member of the Belgian resistance during World War II and, as a politician, member of the Flemish movement
